[INFO] fetching crate hlvm_runtime 0.7.0...
[INFO] checking hlvm_runtime-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hlvm_runtime 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hlvm_runtime 0.7.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hlvm_runtime 0.7.0
[INFO] finished tweaking crates.io crate hlvm_runtime 0.7.0
[INFO] tweaked toml for crates.io crate hlvm_runtime 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ord_subset v3.1.1
[INFO] [stderr]   Downloaded decimal v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ebc78c014e68d5a3936e3eabd477ab3c089947c0335405c476dd9179003414c
[INFO] running `Command { std: "docker" "start" "-a" "2ebc78c014e68d5a3936e3eabd477ab3c089947c0335405c476dd9179003414c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebc78c014e68d5a3936e3eabd477ab3c089947c0335405c476dd9179003414c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebc78c014e68d5a3936e3eabd477ab3c089947c0335405c476dd9179003414c", kill_on_drop: false }`
[INFO] [stdout] 2ebc78c014e68d5a3936e3eabd477ab3c089947c0335405c476dd9179003414c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ecdb8e951e43826fb817e88b7905b45ad8cce20b57269122f0e7d17610439d
[INFO] running `Command { std: "docker" "start" "-a" "95ecdb8e951e43826fb817e88b7905b45ad8cce20b57269122f0e7d17610439d", kill_on_drop: false }`
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]    Compiling decimal v2.1.0
[INFO] [stderr]     Checking hlvm_runtime v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `number::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use number::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `number::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use number::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "95ecdb8e951e43826fb817e88b7905b45ad8cce20b57269122f0e7d17610439d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ecdb8e951e43826fb817e88b7905b45ad8cce20b57269122f0e7d17610439d", kill_on_drop: false }`
[INFO] [stdout] 95ecdb8e951e43826fb817e88b7905b45ad8cce20b57269122f0e7d17610439d
[INFO] checking hlvm_runtime-0.7.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hlvm_runtime 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate hlvm_runtime 0.7.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hlvm_runtime 0.7.0
[INFO] finished tweaking crates.io crate hlvm_runtime 0.7.0
[INFO] tweaked toml for crates.io crate hlvm_runtime 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0a111af636b6a8e9cc2787855e4628227dd3774b022fe7ba23851b328dfb8c
[INFO] running `Command { std: "docker" "start" "-a" "0f0a111af636b6a8e9cc2787855e4628227dd3774b022fe7ba23851b328dfb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0a111af636b6a8e9cc2787855e4628227dd3774b022fe7ba23851b328dfb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0a111af636b6a8e9cc2787855e4628227dd3774b022fe7ba23851b328dfb8c", kill_on_drop: false }`
[INFO] [stdout] 0f0a111af636b6a8e9cc2787855e4628227dd3774b022fe7ba23851b328dfb8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5979917dd7c8b1e5ba8dbe83bf4c248a599e217ef7cac401167fe28476b7509
[INFO] running `Command { std: "docker" "start" "-a" "f5979917dd7c8b1e5ba8dbe83bf4c248a599e217ef7cac401167fe28476b7509", kill_on_drop: false }`
[INFO] [stderr]    Compiling decimal v2.1.0
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]     Checking hlvm_runtime v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `number::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use number::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `number::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use number::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "f5979917dd7c8b1e5ba8dbe83bf4c248a599e217ef7cac401167fe28476b7509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5979917dd7c8b1e5ba8dbe83bf4c248a599e217ef7cac401167fe28476b7509", kill_on_drop: false }`
[INFO] [stdout] f5979917dd7c8b1e5ba8dbe83bf4c248a599e217ef7cac401167fe28476b7509